package com.heima.admin.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.google.common.collect.Maps;

import com.heima.admin.mapper.AdUserMapper;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.common.dtos.AdUserDto;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.List;
import java.util.Map;
@Service
public class UserLoginServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements UserLoginService {
    /**
     * 登录功能
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(AdUserDto dto) {
        //1.校验账号密码是否为空
        if (StringUtils.isEmpty(dto.getName())||StringUtils.isEmpty(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_REQUIRE);
        }
        //2.确认账号是否存在
        QueryWrapper wrapper = new QueryWrapper<AdUser>();
        wrapper.eq("name",dto.getName());

        List<AdUser> list = list(wrapper);

        if (list!=null&&list.size()==1){ //校验
            AdUser adUser = list.get(0);
            String pswd = DigestUtils.md5DigestAsHex((dto.getPassword() + adUser.getSalt()).getBytes());
            if (adUser.getPassword().equals(pswd)) {
                Map<String, Object> map = Maps.newHashMap();
                adUser.setPassword("");
                adUser.setSalt("");
                map.put("token", AppJwtUtil.getToken(adUser.getId().longValue()));
                map.put("user", adUser);
                return ResponseResult.okResult(map);
        }else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);//账号密码不正确
            }
        }else{
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
        }
    }
}
